Product Lead

COMPANY DESCRIPTION

FL105 is a privately held, early-stage company pioneering the use of artificial intelligence to transform mental health paradigms and pioneer a new category of psychological fitness. We are creating a world where individuals and communities are empowered to preemptively identify and tackle psychological challenges and address mental health concerns. 

FL105 is backed by Flagship Pioneering, an innovation enterprise that conceives, creates, resources, and builds companies that invent breakthrough technologies to transform health care, agriculture, and sustainability. Flagship has created over 100 groundbreaking companies since 2000, including Moderna.  

THE ROLE

We’re hiring a Product Lead to drive core product development and user growth across FL105’s layered platform. You will be the tip of the spear – building early product, defining user journeys, and driving customer traction across our test markets. You’ll own the full loop: product vision, go-to-market execution, and iterative learning. You will be the connective tissue between technical capabilities and user needs. 

KEY RESPONSIBILITIES

In this role, you will: 

• Translate vision into execution: Define roadmap, prioritize features, and write clear product specs that drive toward user value. 
• Own the product roadmap from MVP through early scaling, ensuring it’s grounded in user needs and business hypotheses. 
• Drive growth experiments across paid and organic channels, with a bias toward measurable traction. 
• Test product-market fit across target personas and use cases through structured pilots.  
• Work closely with design, engineering, and ML to build, test, and iterate on high-velocity product cycles. 
• Shape distribution strategy from onboarding funnels to community loops, conversion tactics, and retention hooks.
• Collaborate with founding team on narrative development, fundraising story, and early customer strategy. 
• Build feedback channels: Talk to users, analyze behavior, and use insights to drive decisions.  

PROFESSIONAL EXPERIENCE & QUALIFICATIONS 

• Builder’s mindset: You’ve launched zero-to-one products or led major features in early-stage companies. 
• Product intuition: You know how to build something users love – and how to test if they’ll stick with it. 
• Customer obsession: You talk to users weekly and aren’t afraid to sell, demo, or cold-email to get to the truth. 
• Cross-functional leadership: You’ve worked across engineering, design, marketing, and science teams. 
• Experience in mental health, consumer AI, coaching, or behavior change a strong plus. 

Successful candidates will be able to thrive in a fast-paced, action-oriented, team environment and display a clear passion for AI innovation and impact. The role offers a unique opportunity to help drive the strategy of an early stage AI-focused company. The candidate must be an entrepreneurial, highly motivated, and purpose-driven individual. The successful candidate will have a track record of building consumer applications or large internal applications. S(he) must exhibit strong collaboration and communication skills. S(he) should be ready to lead application development in a very dynamic and innovative en

ABOUT FLAGSHIP PIONEERING

Flagship Pioneering invents and builds platform companies, each with the potential for multiple products that transform human health, sustainability and beyond. Since its launch in 2000, Flagship has originated more than 100 companies. Many of these companies have addressed humanity’s most urgent challenges: vaccinating billions of people against COVID-19, curing intractable diseases, improving human health, preempting illness, and feeding the world by improving the resiliency and sustainability of agriculture.  

Flagship has been recognized twice on FORTUNE’s “Change the World” list, an annual ranking of companies that have made a positive social and environmental impact through activities that are part of their core business strategies and has been twice named to Fast Company’s annual list of the World’s Most Innovative Companies. Learn more about Flagship at www.flagshippioneering.com.

At Flagship, we accept impossible missions to enable bigger leaps. Our core values guide us through uncertainty and toward lasting impact.

We are an equal opportunity employer. All qualified applicants will be considered for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status, or any other characteristic protected by law.

We recognize that great candidates often bring unique strengths without fulfilling every qualification. If you have some of the experience listed above but not all, please apply anyway. We are dedicated to building diverse and inclusive teams and look forward to learning more about your background and interest in Flagship.

Recruitment & Staffing Agencies: Flagship Pioneering and its affiliated Flagship Lab companies (collectively, “FSP”) do not accept unsolicited resumes from any source other than candidates. The submission of unsolicited resumes by recruitment or staffing agencies to FSP or its employees is strictly prohibited unless contacted directly by Flagship Pioneering’s internal Talent Acquisition team. Any resume submitted by an agency in the absence of a signed agreement will automatically become the property of FSP, and FSP will not owe any referral or other fees with respect thereto.

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